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[Rémi Chaintreuil <remi.chaintreuil@xxxxxxxxx>]

Got it "almost" working on elementary OS Lune (based on Precise).

Used to modify /etc/default/grub and xorg.conf on my previous installs,
but brightness controls would only work after resuming from suspend.

I did a new install, and simply installed the latest Nvidia driver in
the repos (319), as well as xbacklight. That did the trick. I can now
modify the brightness with the xbacklight command without doing any
modification to grub or Xorg config, and without having to resume from
suspend. The brightness keys and the brightness slider in Settings still
don't work though, but I assigned keyboard shortcuts to "xbacklight -inc
10" and "xbacklight -dec 10" and it works ok.

I doesn't really fix the bug, but is much more convenient and simple
that tinkering with various config files. I haven't tested it on pure
Ubuntu though, but I guess it should also work.

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https://bugs.launchpad.net/bugs/1046088

Title:
  No Brightness Control on ASUS G75VW Notbook (304.43)

Status in “linux” package in Ubuntu:
  Incomplete
Status in “nvidia-graphics-drivers-updates” package in Ubuntu:
  Invalid

Bug description:
  I've got no brightness control via Fn+F5 and Fn+F6 keys on my 17" ASUS
  G75VW notbeook with NVIDIA GeForce 660M GTX.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: nvidia-current-updates 304.43-0ubuntu2
  ProcVersionSignature: Ubuntu 3.5.0-13.14-generic 3.5.3
  Uname: Linux 3.5.0-13-generic x86_64
  NonfreeKernelModules: nvidia
  .proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86_64 Kernel Module  304.43  Sun Aug 19 20:14:03 PDT 2012
   GCC version:  gcc version 4.7.1 20120814 (prerelease) (Ubuntu/Linaro 4.7.1-7ubuntu1)
  .proc.driver.nvidia.warnings.fbdev:
   Your system is not currently configured to drive a VGA console
   on the primary VGA device. The NVIDIA Linux graphics driver
   requires the use of a text-mode VGA console. Use of other console
   drivers including, but not limited to, vesafb, may result in
   corruption and stability problems, and is not supported.
  ApportVersion: 2.5.1-0ubuntu4
  Architecture: amd64
  Date: Tue Sep  4 18:01:08 2012
  DistUpgraded: Fresh install
  DistroCodename: quantal
  DistroVariant: ubuntu
  DkmsStatus:
   nvidia_bl, 0.17.3, 3.5.0-13-generic, x86_64: installed
   nvidiabl, 0.74, 3.5.0-13-generic, x86_64: installed
   nvidia-current-updates, 304.43, 3.5.0-13-generic, x86_64: installed
  GraphicsCard:
   NVIDIA Corporation Device [10de:0fd4] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: ASUSTeK Computer Inc. Device [1043:2115]
  MachineType: ASUSTeK COMPUTER INC. G75VW
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-13-generic root=UUID=f6cc8053-9e10-45af-bab8-837d00dec017 ro quiet splash vt.handoff=7
  SourcePackage: nvidia-graphics-drivers-updates
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/15/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: G75VW.210
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: G75VW
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrG75VW.210:bd06/15/2012:svnASUSTeKCOMPUTERINC.:pnG75VW:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnG75VW:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: G75VW
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.
  version.compiz: compiz 1:0.9.8.0-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.38-0ubuntu2
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20120821.c1114c61-0ubuntu2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20120821.c1114c61-0ubuntu2
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.12.99.905-0ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120713.6ef1ad6a-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.3-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.1-4~ubuntu1

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